package com.sky.service.impl;

import com.github.pagehelper.Page;
import com.github.pagehelper.PageHelper;
import com.sky.constant.MessageConstant;
import com.sky.constant.StatusConstant;
import com.sky.context.BaseContext;
import com.sky.dto.EmployeeDTO;
import com.sky.dto.EmployeeLoginDTO;
import com.sky.dto.EmployeePageQueryDTO;
import com.sky.entity.Employee;
import com.sky.exception.AccountLockedException;
import com.sky.exception.AccountNotFoundException;
import com.sky.exception.PasswordErrorException;
import com.sky.mapper.EmployeeMapper;
import com.sky.result.PageResult;
import com.sky.service.EmployeeService;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
import org.springframework.stereotype.Service;
import org.springframework.util.DigestUtils;

import java.time.LocalDateTime;

@Service
public class EmployeeServiceImpl implements EmployeeService {

    @Autowired
    private EmployeeMapper employeeMapper;

    /**
     * 员工登录
     *
     * @param employeeLoginDTO
     * @return
     */
    public Employee login(EmployeeLoginDTO employeeLoginDTO) {
        String username = employeeLoginDTO.getUsername();
        String password = employeeLoginDTO.getPassword();

        //1、根据用户名查询数据库中的数据
        Employee employee = employeeMapper.getByUsername(username);

        //2、处理各种异常情况（用户名不存在、密码不对、账号被锁定）
        if (employee == null) {
            //账号不存在
            throw new AccountNotFoundException(MessageConstant.ACCOUNT_NOT_FOUND);
        }

        //密码比对
        boolean matches = new BCryptPasswordEncoder().matches(password,employee.getPassword());
        if (!matches) {
            //密码错误
            throw new PasswordErrorException(MessageConstant.PASSWORD_ERROR);
        }
//        // TODO 后期需要进行md5加密，然后再进行比对
//        if (!password.equals(employee.getPassword())) {
//            //密码错误
//            throw new PasswordErrorException(MessageConstant.PASSWORD_ERROR);
//        }

        if (employee.getStatus() == StatusConstant.DISABLE) {
            //账号被锁定
            throw new AccountLockedException(MessageConstant.ACCOUNT_LOCKED);
        }

        //3、返回实体对象
        return employee;
    }

    //--添加
    @Override
    public void saveOne(EmployeeDTO employeeDTO) {
        //--1-补充
        Employee employee = new Employee();

        BeanUtils.copyProperties(employeeDTO,employee);

        //------缺少属性
        employee.setPassword(
                new BCryptPasswordEncoder()
                        .encode("123456"));

        //------缺少属性
        employee.setStatus(StatusConstant.DISABLE); //1表示正常 0表示锁定
        //employee.setCreateTime(LocalDateTime.now());
        //employee.setUpdateTime(LocalDateTime.now());
        //employee.setUpdateUser(BaseContext.getCurrentId());
        //employee.setCreateUser(BaseContext.getCurrentId());
        //--2-添加
        employeeMapper.saveOne(employee);
    }

    //--分页


    @Override
    public PageResult pageQuery(EmployeePageQueryDTO employeePageQueryDTO) {
        PageHelper.startPage(employeePageQueryDTO.getPage(),employeePageQueryDTO.getPageSize());

        Page<Employee> employees=employeeMapper.pageQuery(employeePageQueryDTO);

        return new PageResult(employees.getTotal(),employees.getResult());
    }


    //启用-禁用


    @Override
    public void startOrStop(Integer status, Long id) {

        Employee employee=Employee.builder()
                .id(id)
                .status(status)
                .build();
        employeeMapper.update(employee);
        //employeeMapper.startOrStop(status,id); ///
    }

    //--id 查找
    @Override
    public Employee getById(Integer id) {
        return employeeMapper.getById(id);
    }

    //--修改
    @Override
    public void update(EmployeeDTO employeeDTO) {
        Employee employee=new Employee();
        BeanUtils.copyProperties(employeeDTO,employee);

        employee.setUpdateTime(LocalDateTime.now());
        employee.setUpdateUser(BaseContext.getCurrentId());
        employeeMapper.update(employee);
    }

    public static void main(String[] args) {
        String encode = new BCryptPasswordEncoder().encode("123456");
        System.out.println(encode);
        boolean matches = new BCryptPasswordEncoder().matches("123456", "$2a$10$1iJ4aLQmmZ948r52o53VjOr3RDFPmx97vt3IqoedItuV1mtmk7oXu");
        System.out.println(matches);
    }




}
